The variable 'ex' is declared but never used

Non-nullable property 'ApiKey' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'ModelName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Possible null reference argument for parameter 'endpoint' in 'OllamaChatClient.OllamaChatClient(Uri endpoint, string? modelId = null, HttpClient? httpClient = null)'.

Non-nullable property 'ModelName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Endpoint' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field '_skiaPixelArrayBitmap_BackgroundAndBorder' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_skiaPixelArrayBitmap_Foreground' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_skiaPixelArrayBitmap_LineData' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.